English verb conjugation
SHOULD FURTHER

Regular verb: further - furthered - furthered

Affirmation

Simple form	V-ing form
I should further you should further she should further we should further you should further they should further	I should be furthering you should be furthering she should be furthering we should be furthering you should be furthering they should be furthering
Perfect	V-ing perfect
I should have furthered you should have furthered she should have furthered we should have furthered you should have furthered they should have furthered	I should have been furthering you should have been furthering she should have been furthering we should have been furthering you should have been furthering they should have been furthering

Negation

Simple form	V-ing form
I should not further you should not further she should not further we should not further you should not further they should not further	I should not be furthering you should not be furthering she should not be furthering we should not be furthering you should not be furthering they should not be furthering
Perfect	V-ing perfect
I should not have furthered you should not have furthered she should not have furthered we should not have furthered you should not have furthered they should not have furthered	I should not have been furthering you should not have been furthering she should not have been furthering we should not have been furthering you should not have been furthering they should not have been furthering

Interrogative form

Simple form	V-ing form
should I further? should you further? should she further? should we further? should you further? should they further?	should I be furthering? should you be furthering? should she be furthering? should we be furthering? should you be furthering? should they be furthering?
Perfect	V-ing perfect
should I have furthered? should you have furthered? should she have furthered? should we have furthered? should you have furthered? should they have furthered?	should I have been furthering? should you have been furthering? should she have been furthering? should we have been furthering? should you have been furthering? should they have been furthering?

Interro-negative form

Simple form	V-ing form
should I not further? should you not further? should she not further? should we not further? should you not further? should they not further?	should I not be furthering? should you not be furthering? should she not be furthering? should we not be furthering? should you not be furthering? should they not be furthering?
Perfect	V-ing perfect
should I not have furthered? should you not have furthered? should she not have furthered? should we not have furthered? should you not have furthered? should they not have furthered?	should I not have been furthering? should you not have been furthering? should she not have been furthering? should we not have been furthering? should you not have been furthering? should they not have been furthering?